E-Flora BC: Electronic Atlas of the Flora of British Columbia

Sedum oreganum Nutt.
Oregon stonecrop

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #4263)

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Distribution of Sedum oreganum
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Species Information

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Perennial herb from a stout rhizome; stems ascending, several, branched above, 6-15 cm tall, glabrous and glaucous.
Stem leaves alternate, crowded and rosette-forming on the sterile shoots, overlapping on the flowering stems, egg- to spoon-shaped, 20-30 mm long, 6-12 mm wide, strongly flattened, broadest above the midlength and tapered to the base, green becoming bronze.
Inflorescence of terminal, umbrella-shaped clusters; petals 5, yellow becoming pinkish with maturity, petals pointed, longer than the stamens, (8) 10-13 mm long, narrowly lanceolate and long-pointed.
Follicles, erect and only very slightly fused at the base.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry rocky cliffs and talus slopes in the lowland and montane zones; common in SW BC; N to AK and S to CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Sedum oreganum

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 820 1333 2060
Slope Gradient (%) 55 80 97
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
130 164 200
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 1 2
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: CWH(1), ESSF(2), MH(1)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is cool temperate & cool mesothermal.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References